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import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
class IfCanBeSwitch {
void m1(int i) { // ok
if (i == 0) System.out.println("zero"); else if (i == 1) System.out.println("one"); else System.out.println("many");
}
void m1(char c) { // ok
if (c == '0') System.out.println("zero"); else if (c == '1') System.out.println("one"); else System.out.println("many");
}
void m1(byte i) { // ok
if (i == (byte)0) System.out.println("zero"); else if (i == (byte)1) System.out.println("one"); else System.out.println("many");
}
void m2(int i) { // bad, long literals
if (i == 0L) System.out.println("zero"); else if (i == 1L) System.out.println("one"); else System.out.println("many");
}
void m2(long l) { // bad, long expression
if (l == 0) System.out.println("zero"); else if (l == 1) System.out.println("one"); else System.out.println("many");
}
void polyadic() {
String s = null;
if (s.equals("asdf") || s.equals("addd") || s.equals("lkjh")) {
System.out.println("asdf");
} else if (s.equals("null")) {
System.out.println("null");
} else {
System.out.println("default");
}
}
void nullable(@Nullable String s) {
if ("a".equals((s))) {
System.out.println(1);
} else if ("b".equals(s)) {
System.out.println(2);
} else if ("c".equals(s)) {
System.out.println(3);
} else {
System.out.println(4);
}
}
void notNullSafe() {
String narf = null;
if ("foo".equals(narf)) {
// do this
} else if ("bar".equals(narf)){
// do that
}
else {
// do something else.
}
}
void nullSafe(String earth) {
if (earth.equals("foo")) {
} else if ("bar".equals(earth)) {
} else {
}
}
void nullSafe2(@NotNull String narf) {
if ("foo".equals((narf))) {
// do this
} else if ("bar".equals(narf)){
// do that
}
else {
// do something else.
}
}
}
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